initial commit / add all books

1 files changed, 21 insertions, 0 deletions

diff --git a/1592/CH2/EX2.40/Example_2_40.sce b/1592/CH2/EX2.40/Example_2_40.sce
new file mode 100755
index 000000000..2a1c0c7fe
--- /dev/null
+++ b/1592/CH2/EX2.40/Example_2_40.sce
@@ -0,0 +1,21 @@
+//Scilab Code for Example 2.40 of Signals and systems by

+//P.Ramakrishna Rao

+//Inverse Z Transform:ROC |z|>2

+clear;

+clc;

+z = %z;

+syms n z1;

+//To find out Inverse z transform z must be linear z = z1

+X  =z^2/((z-0.5)*(z-1));

+X1 = denom(X);

+zp = roots(X1)

+X1 = z1^2/((z1-0.5)*(z1-1));

+F1 = X1*(z1^(n-1))*(z1-zp(1));

+F2 = X1*(z1^(n-1))*(z1-zp(2));

+h1 = limit(F1,z1,zp(1));

+disp(h1*'u(n)','h1[n]=')

+h2 = limit(F2,z1,zp(2));

+disp((h2)*'u(n)','h2[n]=');

+disp(-(h1)*'u(-n-1)'-(h2)*'u(-n-1)','h[n]=');

+////Result

+//  h[n]= ((0.5)^n - 2)*u(-n-1)